RabbitMQ long running tasks

Site Operators
1

Hi,
there are some long runnig tasks (rerun_course and send_course_email - with ~1000 students). rerun_course going to edx.cms.core.default queue and runnig about 4-6 hours. Other queues are empty.

rabbitmqadmin list queues name messages messages_ready messages_unacknowledged message_stats
+----------------------------------------------------+----------+----------------+-------------------------+---------------+
|                        name                        | messages | messages_ready | messages_unacknowledged | message_stats |
+----------------------------------------------------+----------+----------------+-------------------------+---------------+
| celery@edx.cms.core.default.sandbox.celery.pidbox  |          |                |                         |               |
| celery@edx.cms.core.high.sandbox.celery.pidbox     |          |                |                         |               |
| celery@edx.lms.core.default.sandbox.celery.pidbox  |          |                |                         |               |
| celery@edx.lms.core.high.sandbox.celery.pidbox     |          |                |                         |               |
| celery@edx.lms.core.high_mem.sandbox.celery.pidbox |          |                |                         |               |
| celeryev.511f434c-a239-4f2c-94a7-17845d552aab      |          |                |                         |               |
| celeryev.61290cd6-6a72-4948-91e4-6adfd8d95e4d      |          |                |                         |               |
| celeryev.83173150-f51e-42ca-8eea-3957fd604f8e      |          |                |                         |               |
| celeryev.90c79b20-d522-4cec-9cff-c2a7b382712f      |          |                |                         |               |
| celeryev.a9ce077e-9eda-454e-9a26-c0a3da0a2791      |          |                |                         |               |
| edx.cms.core.default                               | 403        | 3              | 1                       |               |
| edx.cms.core.high                                  |          |                |                         |               |
| edx.lms.core.default                               | 1        |                | 1                       |               |
| edx.lms.core.high                                  |          |                |                         |               |
| edx.lms.core.high_mem                              |          |                |                         |               |
+----------------------------------------------------+----------+----------------+-------------------------+---------------+

How can we fix it?
Ironwood, rabbirmq, celery. mysql + mongo on the other server

2

Hi @eazaika,
I would suggest you to upgrade to one of the latest version. Ironwood is quite old and things have changed a lot since then. For instance, RabbitMQ is not used any more and was replaced by Redis.

3

Hi @Andres.Aulasneo,
Upgrade work to tutor in progress. Its not easy for our massive native instance)
Till we don’t complete it our teachers faces up with rabbitmq problems